1.

Two boxes, one of mass 20 kg and the other of mass 40 kg, are sliding down a frictionless inclined plane that makes an angle of \[30{}^\circ \] with the horizontal. The respective acceleration in \[\text{m}/{{\text{s}}^{\text{2}}}\] are

A. \[\text{9}\text{.8},\text{9}\text{.8}\]             
B.         \[\text{4}\text{.9},\text{9}\text{.8}\]
C. \[\text{9}\text{.8},\text{4}\text{.9}\]             
D.         \[\text{4}\text{.9},\text{4}\text{.9}\]  
Answer» E.


Discussion

No Comment Found

Related MCQs